in shannon bream. reporter: senator dianne feinstein acknowledges that it will be an uphill battle. this new measure would ban the sale and manufacture and transfer and importation of 157 specific garments, along with a broader group of other guns that will meet at a lower threshold for being classified as an assault weapon is the sale and transfer and gifting of anything classified as an assault weapon. >> no weapon is taken from anyone. the purpose is to try up the supply of these weapons over time. therefore there is no sunset on the spell of. reporter: the children in the newtown, connecticut, massacre would likely still be alive, they say, if these guns off the market. just about every action the shooter cho, including that day, was already illegal. a spokesman for the nra said that it is disappointing, but not surprising that she, senator feinstein, is focused on curtailing the constitution instead of protecting -- excuse me, prosecuting criminals or fixing our broken mental health care system. many say that they are not ready to support a new assault weapons ban. lou: thank you very m